Hellstrand K, Asea A, Dahlgren C, Hermodsson S (December 1994). "Histaminergic regulation of NK cells. Role of monocyte-derived reactive oxygen metabolites". J. Immunol. 153 (11): 4940–7. doi:10.4049/jimmunol.153.11.4940. PMID7963557.
Hellstrand K, Asea A, Dahlgren C, Hermodsson S (December 1994). "Histaminergic regulation of NK cells. Role of monocyte-derived reactive oxygen metabolites". J. Immunol. 153 (11): 4940–7. doi:10.4049/jimmunol.153.11.4940. PMID7963557.